@Petr,
I know you guys would looking the IPsec VPN solution and not only for mobile devices.
The "world", our customers /end users are demanding this kind of solutions.
Please, keep us informed about the progress of the use with IPsec.
If this cannot go public please send me a PM with latest status update.

I'm having trouble getting iPhone VPN to work. I've copied all the proper settings from my mac to the iPhone and the connection process appears to complete. I see that I'm getting a proper IP address and that the timer begins ticking away. Unfortunately, I can't reach any websites via IP or DNS.

I still cannot put Android and iphone to work in a customer an even for myself.
IPSEC VPN is being a nightmare for me. Can anyone of good soul help me with a step-by-step configuration on both sides for Android devices?
Maybe Android is different from iphone in some way.
Thanks in advance for your help.

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